3. away ( pass away : chết )
4. out ( bật cười )
5. to ( loại trừ )
6. of ( tốt bụng )
7. for ( nổi tiếng về )
8. from ( về từ trường )
9. by ( nhầm lẫn )
10. of ( mệt về )
Complete sentence
1. Scientists tried to look for vaccine but haven't succeeded.
2. If I were you, I would take the bus to work to avoid traffic jams. ( if loại 2 )
3. My sister wishes she could speak English as fluently as native speaker. ( câu wish hiện tại )
4. New York is the most exciting city I have ever visited.
5. That book which is very thick belongs to my younger sister.